[a-z%]+)$/i', $smallest_font_size, $m ) ? $m['unit'] : 'pt' ); $args = array( 'echo' => false, 'unit' => $unit, 'taxonomy' => $attributes['taxonomy'], 'show_count' => $attributes['showTagCounts'], 'number' => $attributes['numberOfTags'], 'smallest' => floatVal( $attributes['smallestFontSize'] ), 'largest' => floatVal( $attributes['largestFontSize'] ), ); $tag_cloud = wp_tag_cloud( $args ); if ( empty( $tag_cloud ) ) { // Display placeholder content when there are no tags only in editor. if ( wp_is_serving_rest_request() ) { $tag_cloud = __( 'There’s no content to show here yet.' ); } else { return ''; } } $wrapper_attributes = get_block_wrapper_attributes(); return sprintf( '

%2$s

', $wrapper_attributes, $tag_cloud ); } /** * Registers the `core/tag-cloud` block on server. * * @since 5.2.0 */ function register_block_core_tag_cloud() { register_block_type_from_metadata( __DIR__ . '/tag-cloud', array( 'render_callback' => 'render_block_core_tag_cloud', ) ); } add_action( 'init', 'register_block_core_tag_cloud' );